Mackin was granted a rookie contract with WA ahead of the 2013-14 season after solid form at District level with Willetton. The young fast bowler made his WA debut in the JLT Sheffield Shield against Tasmania in December 2013. He also played for the Chairman's XI against England in the same season, taking the wickets of Ian Bell, Matt Prior and Joe Root. Mackin is a regular member of the Sheffield Shield team, becoming a regular wicket taker and a crucial member of the bowling group. He was also a member of WA’s winning 2017 JLT cup title.
Right Arm Med-Fast